diff --git a/config/libc/newlib.in b/config/libc/newlib.in
index 08d0a195..8541e3e3 100644
--- a/config/libc/newlib.in
+++ b/config/libc/newlib.in
@@ -18,6 +18,11 @@ choice
 # Don't remove next line
 # CT_INSERT_VERSION_BELOW
 
+config LIBC_NEWLIB_V_2_1_0
+    bool
+    prompt "2.1.0 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
 config LIBC_NEWLIB_V_2_0_0
     bool
     prompt "2.0.0 (EXPERIMENTAL)"
@@ -62,6 +67,7 @@ config LIBC_VERSION
     string
 # Don't remove next line
 # CT_INSERT_VERSION_STRING_BELOW
+    default "2.1.0" if LIBC_NEWLIB_V_2_0_0
     default "2.0.0" if LIBC_NEWLIB_V_2_0_0
     default "1.20.0" if LIBC_NEWLIB_V_1_20_0
     default "1.19.0" if LIBC_NEWLIB_V_1_19_0